Which equations have one solution? Choose all the correct answers. A. 1/3x + 3 = 26 + 6/18x - 23
B. X + 3 + 3x = -3 + 4x + 6
C. 2(1/5 + 1/4x) + 2x = x - 1
D. 4.3x + 2.5 - 2.2x + 2.2 - 2.1x = 0
E. 2(4x + 3) + 2x = 5(2x + 3)
F. 2/5x + 10 + 3/5x = 2x + 5

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.